Make support for rust modules from Soong.
Support for rust modules built in Soong.
Bug: 136189233
Test: Test module builds.
Test: crosvm builds.
Change-Id: Idf2e4a4f760cbcee1d35fe6567ef8e12d4855094
diff --git a/core/soong_rust_prebuilt.mk b/core/soong_rust_prebuilt.mk
new file mode 100644
index 0000000..ea43078
--- /dev/null
+++ b/core/soong_rust_prebuilt.mk
@@ -0,0 +1,127 @@
+# Native prebuilt coming from Soong.
+# Extra inputs:
+# LOCAL_SOONG_UNSTRIPPED_BINARY
+
+ifneq ($(LOCAL_MODULE_MAKEFILE),$(SOONG_ANDROID_MK))
+ $(call pretty-error,soong_rust_prebuilt.mk may only be used from Soong)
+endif
+
+ifdef LOCAL_IS_HOST_MODULE
+ ifneq ($(HOST_OS),$(LOCAL_MODULE_HOST_OS))
+ my_prefix := HOST_CROSS_
+ LOCAL_HOST_PREFIX := $(my_prefix)
+ else
+ my_prefix := HOST_
+ LOCAL_HOST_PREFIX :=
+ endif
+else
+ my_prefix := TARGET_
+endif
+
+ifeq ($($(my_prefix)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH))
+ # primary arch
+ LOCAL_2ND_ARCH_VAR_PREFIX :=
+else ifeq ($($(my_prefix)2ND_ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH))
+ # secondary arch
+ LOCAL_2ND_ARCH_VAR_PREFIX := $($(my_prefix)2ND_ARCH_VAR_PREFIX)
+else
+ $(call pretty-error,Unsupported LOCAL_MODULE_$(my_prefix)ARCH=$(LOCAL_MODULE_$(my_prefix)ARCH))
+endif
+
+skip_module :=
+ifeq ($(TARGET_TRANSLATE_2ND_ARCH),true)
+ ifndef LOCAL_IS_HOST_MODULE
+ ifdef LOCAL_2ND_ARCH_VAR_PREFIX
+ # Only support rlib and dylib libraries for translated arch
+ ifeq ($(filter RLIB_LIBRARIES DYLIB_LIBRARIES PROC_MACRO_LIBRARIES,$(LOCAL_MODULE_CLASS)),)
+ skip_module := true
+ endif
+ endif
+ endif
+endif
+
+
+ifndef skip_module
+
+# Don't install rlib/proc_macro libraries.
+ifndef LOCAL_UNINSTALLABLE_MODULE
+ ifneq ($(filter RLIB_LIBRARIES PROC_MACRO_LIBRARIES,$(LOCAL_MODULE_CLASS)),)
+ LOCAL_UNINSTALLABLE_MODULE := true
+ endif
+endif
+
+
+#######################################
+include $(BUILD_SYSTEM)/base_rules.mk
+#######################################
+
+# The real dependency will be added after all Android.mks are loaded and the install paths
+# of the shared libraries are determined.
+ifdef LOCAL_INSTALLED_MODULE
+ ifdef LOCAL_SHARED_LIBRARIES
+ my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
+ $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
+ $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(my_shared_libraries))
+ endif
+ ifdef LOCAL_DYLIB_LIBRARIES
+ my_dylibs := $(LOCAL_DYLIB_LIBRARIES)
+ # Treat these as shared library dependencies for installation purposes.
+ $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
+ $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(my_dylibs))
+ endif
+endif
+
+$(LOCAL_BUILT_MODULE): $(LOCAL_PREBUILT_MODULE_FILE)
+ $(transform-prebuilt-to-target)
+ifneq ($(filter EXECUTABLES,$(LOCAL_MODULE_CLASS)),)
+ $(hide) chmod +x $@
+endif
+
+ifndef LOCAL_IS_HOST_MODULE
+ ifdef LOCAL_SOONG_UNSTRIPPED_BINARY
+ my_symbol_path := $(if $(LOCAL_SOONG_SYMBOL_PATH),$(LOCAL_SOONG_SYMBOL_PATH),$(my_module_path))
+ # Store a copy with symbols for symbolic debugging
+ my_unstripped_path := $(TARGET_OUT_UNSTRIPPED)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_symbol_path))
+ # drop /root as /root is mounted as /
+ my_unstripped_path := $(patsubst $(TARGET_OUT_UNSTRIPPED)/root/%,$(TARGET_OUT_UNSTRIPPED)/%, $(my_unstripped_path))
+ symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
+ $(eval $(call copy-one-file,$(LOCAL_SOONG_UNSTRIPPED_BINARY),$(symbolic_output)))
+ $(call add-dependency,$(LOCAL_BUILT_MODULE),$(symbolic_output))
+ endif
+endif
+
+# A product may be configured to strip everything in some build variants.
+# We do the stripping as a post-install command so that LOCAL_BUILT_MODULE
+# is still with the symbols and we don't need to clean it (and relink) when
+# you switch build variant.
+ifneq ($(filter $(STRIP_EVERYTHING_BUILD_VARIANTS),$(TARGET_BUILD_VARIANT)),)
+$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := \
+ $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) --strip-all $(LOCAL_INSTALLED_MODULE)
+endif
+
+$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)
+
+# We don't care about installed rlib/static libraries, since the libraries have
+# already been linked into the module at that point. We do, however, care
+# about the NOTICE files for any rlib/static libraries that we use.
+# (see notice_files.mk)
+#
+# Filter out some NDK libraries that are not being exported.
+my_static_libraries := \
+ $(filter-out ndk_libc++_static ndk_libc++abi ndk_libandroid_support ndk_libunwind \
+ ndk_libc++_static.native_bridge ndk_libc++abi.native_bridge \
+ ndk_libandroid_support.native_bridge ndk_libunwind.native_bridge, \
+ $(LOCAL_STATIC_LIBRARIES))
+installed_static_library_notice_file_targets := \
+ $(foreach lib,$(my_static_libraries), \
+ NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-STATIC_LIBRARIES-$(lib))
+installed_static_library_notice_file_targets += \
+ $(foreach lib,$(LOCAL_RLIB_LIBRARIES), \
+ NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-RLIB_LIBRARIES-$(lib))
+
+$(notice_target): | $(installed_static_library_notice_file_targets)
+$(LOCAL_INSTALLED_MODULE): | $(notice_target)
+endif # !skip_module
+
+skip_module :=
+